It suddenly struck me that that tiny pea, pretty and blue, was the Earth. I put up my thumb and shut one eye, and my thumb blotted out the planet Earth. I didn't feel like a giant. I felt very, very small.

There are two of them up here.

You've got to expect things are going to go wrong. And we always need to prepare ourselves for handling the unexpected.

I tell you, we're going to be busy for a minute.

I am comfortable with my level of public discourse.

Pilots take no special joy in walking: pilots like flying.

We would like to give special thanks to all those Americans who built the spacecraft; who did the construction, design, the tests, and put their hearts and all their abilities into those craft. To those people tonight, we give a special thank you, and to all the other people that are listening and watching tonight, God bless you. Good night from Apollo 11.